<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
.box{ width:100px;height:100px;border:2px solid #000; padding:150px; -webkit-transform-style:preserve-3d; -webkit-perspective:200px;}
.box div{height:100px;background:red; transition:1s all;}
.box:hover div{ -webkit-transform:rotateX(50deg);}
</style>
</head>
<body>
<div class="box">
	<div></div>
</div>
</body>
</html>
